CalebSabatiniP5.java

CalebSabatiniP5.java

/** PROGRAM ASSIGNMENT 5     CalebSabatiniP5.java
  *
  * Program Description
  *  This is the client code for the Movie class and its subclasses, which 
  *  allows the user to navigate a Warren movie theater menu.
  *
*/

import library.films.*;
import java.util.Scanner;

public class CalebSabatiniP5 {
    
    public static void main(String[] args) {
        /* Output name and class section*/
        System.out.println("Caleb Sabatini, online section\n");
        
        /* Create scanner object */     
        Scanner input = new Scanner(System.in);
        
        /* Variable to store user selection */
        int selection = 1;
        
        /* Create Movie listay, with elements initialized using Movie subclasses */
        Movie[] movies = new Movie[6];
        movies[0] = new Animated("Bug's Life", "John Lasseter", 1998, 120, 
            0.60, 363.399);
        movies[1] = new Animated("Toy Story 3", "Lee Unkrich", 2010, 200,
            0.50, 1063.172);
        movies[2] = new Drama("The Dark Knight", "Chrisopher Nolan", 2008, 
            185, 134, 7.50);
        movies[3] = new Drama("Pulp Fiction", "Quentin Tarantino", 1994, 8,
            33, 6.50);
        movies[4] = new Documentary("Super Size Me", "Morgan Spurlock", 2004, 
            1.065, 2000, 0.015);
        movies[5] = new Documentary("Fahrenheit 9/11", "Michael Moore", 2004,
            6, 4000,  0.065);
    
        do {
            /* Display the movie menu */
            displayMovieMenu();
            /* Prompt user for menu selection */
            System.out.print("\nEnter a selection between 1 and 5: ");
            selection = input.nextInt();
            /* Determine if the selection is valid; if not, restart loop */
            if (selection > 5 || selection < 1) {
                continue;
            }
            /* Exit the loop if the user selected option 5 */
            else if (selection == 5) {
                break;
            }
            /* Call the appropriate handling method for options 1-4 */
            else {
                switch (selection) {
                    case 1: showMovieList(movies);
                            break;
                    case 2: showMovieTotals(movies);
                            break;
                    case 3: searchByTitle(movies);
                            break;
                    case 4: sortByProfit(movies);
                            break;
                    default: break;
                }                       
            }
        } while (selection != 5);
        
    } // end of main
    
    /* Display movie menu for Warren theater */
    private static void displayMovieMenu() {
        System.out.println("\n\n WARREN MOORE MOVIE MENU");
        System.out.println("1. Show the list of movies in the array");
        System.out.println("2. Display the total number of movies " +
            "and the total revenues");
        System.out.println("3. Search movie by title");
        System.out.println("4. Display movies sorted by profit in " +
            "decreasing order");
        System.out.println("5. Exit\n");
    }
    
    /* Show the list of movies contained in the array */
    private static void showMovieList(Movie[] list) {
        System.out.printf("%-16s %4s %8s %1s %8s %-11s\n", "Title", 
            "Year", "Revenue", "", "Profit", "Category");
        for (int i = 0; i < list.length; i++) {
            System.out.printf("%-16s %4d %8.3f %1s %7.3f %-11s\n", 
            list[i].getTitle(), list[i].getYear(), list[i].calcRevenue(), "",
            list[i].calcProfit(), list[i].getCategory());
        }
    }
    
    /* Display the total number of movies, and total revenue */
    private static void showMovieTotals(Movie[] list) {
        double totalRevenue = 0;
        for (int i = 0; i < list.length; i++) {
            totalRevenue += list[i].calcRevenue();
        }
        System.out.printf("The total number of movies is %d, and their total" +
            " revenue is %7.3f million.", list[0].getTotalMovies(),
            totalRevenue); 
    }
    
    /* Search movies by title */
    private static void searchByTitle(Movie[] list) {
        /* Call the bubble sort method */
        bubbleSort(list);
        
        /* Retrieve key, and call the binary search method */
        Scanner searchScanner = new Scanner(System.in);
        System.out.print("Enter the search key: ");
        String key = searchScanner.nextLine();
        int index = binarySearch(key, list);
        
        /* Output results of the search */
        if (index == -1) {
            System.out.println("No match found for movie with title \"" + key +
                "\"");
        }
        else {
            System.out.println("\n" + list[index]);
        }
    }
    
    /* Sort movies by profit */ 
    private static void sortByProfit(Movie[] list) {
        /* Call the insertion sort method */
        insertionSort(list);
        
        System.out.printf("%-16s %-17s %s %6s %7s", "Title", "Director", "",
            "Cost", "Profit");
        for (int i = 0; i < list.length; i++) {
            System.out.printf("\n%-16s %-17s %2s %6.3f %7.3f", 
                list[i].getTitle(), list[i].getDirector(), "",
                list[i].getProductionCost(), list[i].calcProfit());
        }
    }
    
    /* Bubble sort method */
    private static void bubbleSort(Movie[] list) {
        boolean needNextPass = true;
        
        for (int k = 1; k < list.length && needNextPass; k++) {
            needNextPass = false;
            for (int i = 0; i < list.length - k; i++) {
                if (list[i].getTitle().compareTo(list[i + 1].getTitle()) > 0) {
                // Swap list[i] with list[i + 1]
                Movie temp = list[i];
                list[i] = list[i + 1];
                list[i + 1] = temp;
          
                needNextPass = true; // Next pass still needed
                }
            }
        }
    }
    
    /* Binary search method */
    private static int binarySearch(String key, Movie[] list) {
        int low = 0;
        int high = list.length - 1;
        
        while (high >= low) {
            int mid = (low + high) / 2;
            if (key.compareTo(list[mid].getTitle()) < 0)
                high = mid - 1;
            else if (key.equals(list[mid].getTitle()))
                return mid;
            else
                low = mid + 1;
        }
        return -1;
    }
    
    /* Insertion sort method */
    private static void insertionSort(Movie[] list) {
        for (int i = 1; i < list.length; i++) {
            Movie currentElement = list[i];
            double currentProfit = currentElement.calcProfit();
            int k;
            for (k = i - 1; k >= 0 && list[k].calcProfit() < currentProfit; 
                k--) {
                list[k + 1] = list[k];
            }

            list[k + 1] = currentElement;
        }
    }
    
} // end of class